140431143 has 8 divisors (see below), whose sum is σ = 187745008. Its totient is φ = 93369024.

The previous prime is 140431097. The next prime is 140431153. The reversal of 140431143 is 341134041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140431143 - 2¹³ = 140422951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140431153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61630 + ... + 63867.

It is an arithmetic number, because the mean of its divisors is an integer number (23468126).

Almost surely, 2^140431143 is an apocalyptic number.

140431143 is a deficient number, since it is larger than the sum of its proper divisors (47313865).

140431143 is a wasteful number, since it uses less digits than its factorization.

140431143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125873.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 140431143 is about 11850.3646779329. The cubic root of 140431143 is about 519.7818895436.

Adding to 140431143 its reverse (341134041), we get a palindrome (481565184).

The spelling of 140431143 in words is "one hundred forty million, four hundred thirty-one thousand, one hundred forty-three".